DeVilbiss PRI Pro Lite, Service Manual

Page: 18 / 24

EN
Fluid tip or cap dirty or damaged.
Replace fluid tip or air cap if
necesarry.
CORRECTION
TROUBLESHOOTING SPRAY PERFORMANCE
CAUSE CONDITION
Replace fluid tip or air cap if
necesarry.
Material build-up on fluid tip
exterior or partially plugged fluid
tip.
Heavy top or bottom
pattern.
Material build-up on air cap,
plugged horn holes, centre holes
or jets.
Soak cap or tip in suitable
solvent and thoroughly clean.
Heavy right or left
side pattern.
Left or right side horn holes
plugged.
Dirt or damage on left or right
side of fluid tip exterior.
Remedies for the top-heavy, bottom-heavy, right-heavy and left-heavy patterns.
Determine if the obstruction is on the air cap or the fluid tip. Do this by making a test spray pattern.
Then, rotate the cap one-half turn and spray another pattern. If the defect is inverted, obstruction is
on the air cap. Clean the air cap as previously instructed. Also check for dried paint just inside the cap
centre hole opening, remove by washing with solvent.
If the defect is not inverted, it is on the fluid tip. Clean tip. If problem persists, renew tip.
Soak cap or tip in suitable
solvent and thoroughly clean.
Replace fluid tip or air cap if
necesarry.
SB-E-2-859 R1.1
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